WIP Commit for stackoverflow

src/bin/main.rs

@@ -14,6 +14,7 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
+#![feature(type_alias_impl_trait)]
 
 use rustyline::error::ReadlineError;
 use rustyline::Editor;